Grab an HTTP cookie value in Swift on iOS

cookie.swift

var xsrfCookie: NSHTTPCookie? = nil
let sharedCookieStorage = NSHTTPCookieStorage.sharedHTTPCookieStorage()

for cookie in sharedCookieStorage.cookies! {
    if cookie.name == "XSRF-TOKEN" { xsrfCookie = cookie }
}

if let xsrfCookie = xsrfCookie {
    request.setValue(xsrfCookie.value!, forHTTPHeaderField: "X-XSRF-TOKEN")
}